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Posted to issues@spark.apache.org by "Timothy St. Clair (JIRA)" <ji...@apache.org> on 2014/09/15 23:20:34 UTC
[jira] [Commented] (SPARK-3535) Spark on Mesos not correctly
setting heap overhead
[ https://issues.apache.org/jira/browse/SPARK-3535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14134499#comment-14134499 ]
Timothy St. Clair commented on SPARK-3535:
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Are you seeing this under fine grained, course grained, or both.
> Spark on Mesos not correctly setting heap overhead
> --------------------------------------------------
>
> Key: SPARK-3535
> URL: https://issues.apache.org/jira/browse/SPARK-3535
> Project: Spark
> Issue Type: Bug
> Components: Mesos
> Affects Versions: 1.1.0
> Reporter: Brenden Matthews
>
> Spark on Mesos does account for any memory overhead. The result is that tasks are OOM killed nearly 95% of the time.
> Like with the Hadoop on Mesos project, Spark should set aside 15-25% of the executor memory for JVM overhead.
> For example, see: https://github.com/mesos/hadoop/blob/master/src/main/java/org/apache/hadoop/mapred/ResourcePolicy.java#L55-L63
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